oxygen

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Are planets with oxygen-rich atmospheres rare?

Complex life on Earth requires oxygen. Understanding how oxygen levels have evolved on our planet can provide an insight into our own evolution and the possibility of complex life evolving elsewhere. Current theories suggest that Earth's O2 levels have risen three times over its 4.5... click to read more

Lewis Alcott | PhD student at University of Leeds, Leeds, UK

Benjamin Mills | Associate Professor at University of Leeds, Leeds, UK

exoplanet

evolution

astrobiology

oxygen

habitability

exoplanets

Reading time 3 min

published on Aug 11, 2020

When did land appear over water (and why does it matter)?

When Yuri Gagarin first saw the earth from the space in 1961 it looked as a blue-yellow planet with white clouds, a fragile view that was reinforced by the American astronauts who saw the Earth from the moon. The blue aquaplanet, completely covered with water... click to read more

Ilya Bindeman | Professor at University of Oregon, USA and University of Geneva, Switzerland

oxygen

land emergence

water cycle

Reading time 4 min

published on Feb 12, 2019